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[期刊论文] 作者：Jalalifar H.,Mojedifar S.,Sahe,
来源：矿业科学技术学报：英文版 年份：2014
Rock mass rating system(RMR) is based on the six parameters which was defined by Bieniawski(1989)[1]. Experts frequently relate joint and discontinuities and gr...
[期刊论文] 作者：Jalalifar H.,Mojedifar S.,Sahebi A.A.,,
来源：International Journal of Mining Science and Technology 年份：2014
Rock mass rating system(RMR) is based on the six parameters which was defined by Bieniawski(1989)[1]. Experts frequently relate joint and discontinuities and gr...
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